Finding the Fourth Proportional to 109,396.55, 151,004.55 and 64,088.99
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Solution
The fourth proportional to 109,396.55, 151,004.55 and 64,088.99 is: 88,464.66
Step by Step Solution
- Step 1: Write the proportion equation
109,396.55 : 151,004.55 = 64,088.99 : x - Step 2: Convert to fraction form
109,396.55/151,004.55 = 64,088.99/x - Step 3: Cross multiply
109,396.55x = 151,004.55 × 64,088.99 - Step 4: Simplify right side
109,396.55x = 9,677,729,094.90 - Step 5: Solve for x
x = 9,677,729,094.90/109,396.55 - Step 6: Final answer
x = 88,464.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.